Albert Hofmann (January 11, 1906 – April 29, 2008[1][2]) was a Swiss scientist best known for synthesizing Lysergic acid diethylamide (LSD). Hofmann authored more than 100 scientific articles and wrote a number of books, including LSD: My Problem Child. On January 11, 2006, Hofmann became a centenarian, and the occasion of his 100th birthday was the focus of an international symposium on LSD.[2])